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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "ResourceResponse.h"
#import "HTTPParsers.h"
#import "WebCoreURLResponse.h"
#import "WebCoreSystemInterface.h"
#import <Foundation/Foundation.h>
#import <limits>
#import <wtf/StdLibExtras.h>
using namespace std;
@interface NSURLResponse (WebNSURLResponseDetails)
- (NSTimeInterval)_calculatedExpiration;
- (id)_initWithCFURLResponse:(CFURLResponseRef)response;
- (CFURLResponseRef) _CFURLResponse;
+ (id)_responseWithCFURLResponse:(CFURLResponseRef)response;
@end
namespace WebCore {
static NSString* const commonHeaderFields[] = {
@"Age", @"Cache-Control", @"Content-Type", @"Date", @"Etag", @"Expires", @"Last-Modified", @"Pragma"
};
static const int numCommonHeaderFields = sizeof(commonHeaderFields) / sizeof(AtomicString*);
void ResourceResponse::initNSURLResponse() const
{
// Work around a mistake in the NSURLResponse class - <rdar://problem/6875219>.
// The init function takes an NSInteger, even though the accessor returns a long long.
// For values that won't fit in an NSInteger, pass -1 instead.
NSInteger expectedContentLength;
if (m_expectedContentLength < 0 || m_expectedContentLength > numeric_limits<NSInteger>::max())
expectedContentLength = -1;
else
expectedContentLength = static_cast<NSInteger>(m_expectedContentLength);
// FIXME: This creates a very incomplete NSURLResponse, which does not even have a status code.
m_nsResponse = adoptNS([[NSURLResponse alloc] initWithURL:m_url MIMEType:m_mimeType expectedContentLength:expectedContentLength textEncodingName:m_textEncodingName]);
}
#if USE(CFNETWORK)
NSURLResponse *ResourceResponse::nsURLResponse() const
{
if (!m_nsResponse && !m_cfResponse && !m_isNull) {
initNSURLResponse();
m_cfResponse = [m_nsResponse.get() _CFURLResponse];
return m_nsResponse.get();
}
if (!m_cfResponse)
return nil;
if (!m_nsResponse)
m_nsResponse = [NSURLResponse _responseWithCFURLResponse:m_cfResponse.get()];
return m_nsResponse.get();
}
ResourceResponse::ResourceResponse(NSURLResponse* nsResponse)
: m_cfResponse([nsResponse _CFURLResponse])
, m_nsResponse(nsResponse)
, m_initLevel(Uninitialized)
, m_platformResponseIsUpToDate(true)
{
m_isNull = !nsResponse;
}
#else
NSURLResponse *ResourceResponse::nsURLResponse() const
{
if (!m_nsResponse && !m_isNull)
initNSURLResponse();
return m_nsResponse.get();
}
void ResourceResponse::platformLazyInit(InitLevel initLevel)
{
if (m_initLevel >= initLevel)
return;
if (m_isNull || !m_nsResponse)
return;
if (m_initLevel < CommonFieldsOnly && initLevel >= CommonFieldsOnly) {
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
m_httpHeaderFields.clear();
m_url = [m_nsResponse.get() URL];
m_mimeType = [m_nsResponse.get() MIMEType];
m_expectedContentLength = [m_nsResponse.get() expectedContentLength];
m_textEncodingName = [m_nsResponse.get() textEncodingName];
// Workaround for <rdar://problem/8757088>, can be removed once that is fixed.
unsigned textEncodingNameLength = m_textEncodingName.length();
if (textEncodingNameLength >= 2 && m_textEncodingName[0U] == '"' && m_textEncodingName[textEncodingNameLength - 1] == '"')
m_textEncodingName = m_textEncodingName.substring(1, textEncodingNameLength - 2);
if ([m_nsResponse.get() isKindOfClass:[NSHTTPURLResponse class]]) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)m_nsResponse.get();
m_httpStatusCode = [httpResponse statusCode];
NSDictionary *headers = [httpResponse allHeaderFields];
for (int i = 0; i < numCommonHeaderFields; i++) {
if (NSString* headerValue = [headers objectForKey:commonHeaderFields[i]])
m_httpHeaderFields.set([commonHeaderFields[i] UTF8String], headerValue);
}
} else
m_httpStatusCode = 0;
[pool drain];
}
if (m_initLevel < CommonAndUncommonFields && initLevel >= CommonAndUncommonFields) {
if ([m_nsResponse.get() isKindOfClass:[NSHTTPURLResponse class]]) {
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)m_nsResponse.get();
RetainPtr<NSString> httpStatusLine = adoptNS(wkCopyNSURLResponseStatusLine(m_nsResponse.get()));
if (httpStatusLine)
m_httpStatusText = extractReasonPhraseFromHTTPStatusLine(httpStatusLine.get());
else
m_httpStatusText = "OK";
NSDictionary *headers = [httpResponse allHeaderFields];
NSEnumerator *e = [headers keyEnumerator];
while (NSString *name = [e nextObject])
m_httpHeaderFields.set(name, [headers objectForKey:name]);
[pool drain];
}
}
if (m_initLevel < AllFields && initLevel >= AllFields)
m_suggestedFilename = [m_nsResponse.get() suggestedFilename];
m_initLevel = initLevel;
}
bool ResourceResponse::platformCompare(const ResourceResponse& a, const ResourceResponse& b)
{
return a.nsURLResponse() == b.nsURLResponse();
}
#endif // USE(CFNETWORK)
#if PLATFORM(MAC) || USE(CFNETWORK)
void ResourceResponse::setCertificateChain(CFArrayRef certificateChain)
{
ASSERT(!wkCopyNSURLResponseCertificateChain(nsURLResponse()));
m_externalCertificateChain = certificateChain;
}
RetainPtr<CFArrayRef> ResourceResponse::certificateChain() const
{
if (m_externalCertificateChain)
return m_externalCertificateChain;
return adoptCF(wkCopyNSURLResponseCertificateChain(nsURLResponse()));
}
#endif // PLATFORM(MAC) || USE(CFNETWORK)
} // namespace WebCore
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